xv] 



ANAEROBIC BACILLI 



387 



but show themselves refractory against infection with large 

 quantities, such as in control animals would invariably 

 produce death. 



Arloing, Cornevin, and Thomas have brought to light 

 various important facts connected with the action of the 

 bacilli. These authors cultivated the bacilli in broth, but 

 they found that the bacilli grow best in chicken broth. 



Fig. 157. — Film SpECniEN of Splef.n Juice of a Sheep de.\d of Sympto^viatic 



ChaRBO.-^, showing a few NUCLEl ,-\ N D THE SPECIFIC B,\CILLI. 



glycerine and sulphate of iron, provided oxygen (air) is 

 excluded ; they are, therefore, true or obligatory anaerobic 

 bacteria, They grow well in grape sugar gelatine, but 

 must be inoculated into the depth of it. The character of 

 the growth in a stab culture in sugar gelatine has been 

 described already, and is shown in Fig. 150. Though 

 similar to that of the anaerobic bacillus of malignant ccdema 



c c 2 



